linux-kernel - Re: [SOUND] hda

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Message-ID: <20070312154647.GC11974@linux-mips.org>
Date:	Mon, 12 Mar 2007 15:46:47 +0000
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, perex@...e.cz,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [SOUND] hda_intel: build fix

On Mon, Mar 12, 2007 at 03:43:10PM +0100, Takashi Iwai wrote:

> Fair enough.  I agree that removing const is the only reasonable fix
> right now.   But from semantics, const is a good thing, and people may
> try to add it again later if we get rid of them now.  So, how about to
> comment out such as /*const*/ in each place to remind that it's
> intentional?

I consider that harder to read and uglier.  If anything maybe something
like:

#define __const_devinit
[...]
static __const_devinit struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_status __devinitdata =

Worth it?  I doubt.

> Also, in your patch to ice1712, you don't have to remove const from the
> codes in snd_ice1712_read_eeprom() and snd_ice1712_probe() functions.
> They should work as const pointer.

No, that results in warnings:

  CC      sound/pci/ice1712/ice1712.o
sound/pci/ice1712/ice1712.c: In function ‘snd_ice1712_read_eeprom’:
sound/pci/ice1712/ice1712.c:2354: warning: assignment from incompatible pointer type
sound/pci/ice1712/ice1712.c: In function ‘snd_ice1712_probe’:
sound/pci/ice1712/ice1712.c:2693: warning: assignment from incompatible pointer type

  Ralf
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